How to set textbox take only numeric using java script.
In this article, we can set
textbox contain only digit. Many times we have needed to set that textbox only
take numeric value like bank account number, age and sku number, salary and so on.
For more:- highlight control on validation error using java script , count remaining character in the textbox using javascript , Conversion Number value to Words (String) using Java Script
Design:-
Source Code:
<%@
Page Language="C#" AutoEventWireup="true" CodeFile="numberonlytextbox.aspx.cs" Inherits="numberonlytextbox"
%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title> How to
set textbox take only numberic</title>
<script type="text/javascript">
function
IsNumber(evt) {
evt = (evt) ? evt : window.event;
var
charCode = (evt.which) ? evt.which : evt.keyCode;
if
(charCode > 31 && (charCode < 48 || charCode > 57)) {
return
false;
}
return
true;
}
</script>
</head>
<body>
<form id="form1" runat="server">
<asp:TextBox ID="TextBox1"
runat="server"
onkeypress="return
IsNumber(event)"
placeholder=" Please Enter Only Digit">
</asp:TextBox>
</form>
</body>
</html>
Out-Put:-
How to set textbox take only numeric using java script.
Reviewed by NEERAJ SRIVASTAVA
on
9:40:00 AM
Rating:
Reviewed by NEERAJ SRIVASTAVA
on
9:40:00 AM
Rating:
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